:root {
    --verde-principal: #2A9D8F;
    --verde-oscuro: #264653;
    --azul-agua: #457B9D;
    --azul-claro: #A8DADC;
    --verde-lima: #8AC926;
    --blanco: #F1FAEE;
    --sombra: rgba(38, 70, 83, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;

    background-color: var(--blanco);
    color: var(--verde-oscuro);
    line-height: 1.7;
}

header {
    background: linear-gradient(135deg, var(--verde-principal), var(--azul-agua));
    color: white;
    padding: 3rem 1rem;
    text-align: center;
    box-shadow: 0 4px 12px var(--sombra);
}

.header-content h1 {
    font-size: 2.8rem;

    font-weight: 700;
    letter-spacing: -1px;
}

.header-content p {
    font-size: 1.2rem;
    opacity: 0.9;
    font-weight: 300;
}

nav {
    background-color: var(--verde-oscuro);
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1rem;

    position: sticky;
    top: 0;
    z-index: 100;
}

nav a {
    color: var(--blanco);
    text-decoration: none;
    font-weight: 600;
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    transition: all 0.3s ease;
}

nav a:hover, nav a.active {
    background-color: var(--verde-lima);
    color: var(--verde-oscuro);

    transform: translateY(-2px);
}

.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 8px 24px var(--sombra);
    margin-bottom: 1.5rem;
    border-left: 5px solid var(--verde-principal);

    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

.hero {
    text-align: center;
    background: linear-gradient(135deg, var(--azul-claro), white);
    border-left: 5px solid var(--azul-agua);
}

.hero h2 {
    color: var(--verde-oscuro);

    font-size: 2rem;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

h2 {
    color: var(--azul-agua);
    margin-bottom: 1rem;
    font-size: 1.6rem;
    font-weight: 600;
}

ul {

    list-style: none;
    padding-left: 0;
}

ul li {
    padding: 0.5rem 0 0.5rem 1.8rem;
    position: relative;
}

ul li::before {
    content: "♻️";
    position: absolute;
    left: 0;
}

strong {
    color: var(--verde-principal);
}


.full-width {
    grid-column: 1 / -1;
}

.galeria {
    margin-top: 3rem;
    text-align: center;
}

.imagenes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.imagenes img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 6px 16px var(--sombra);
    transition: all 0.3s ease;
}

.imagenes img:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 20px var(--sombra);
}

footer {
    background-color: var(--verde-

oscuro);
    color: var(--blanco);
    text-align: center;
    padding: 2rem 1rem;
    margin-top: 4rem;
}

@media (max-width: 768px) {
    .header-content h1 {
        font-size: 2rem;
    }
    nav {
        gap: 0.5rem;
    }
    .card {
        padding: 1.5rem;
    }
}